Major Competitive Exams

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Q. If the temperature of an ideal gas is doubled at constant volume, what happens to its pressure?
  • A. It halves
  • B. It remains the same
  • C. It doubles
  • D. It quadruples
Q. If the temperature of an ideal gas is doubled at constant volume, what happens to the average kinetic energy of the gas molecules?
  • A. It remains the same.
  • B. It doubles.
  • C. It triples.
  • D. It halves.
Q. If the temperature of an ideal gas is doubled while keeping the pressure constant, what happens to its volume?
  • A. It halves
  • B. It doubles
  • C. It remains the same
  • D. It quadruples
Q. If the temperature of an ideal gas is doubled while keeping the volume constant, what happens to the pressure?
  • A. It remains the same.
  • B. It doubles.
  • C. It triples.
  • D. It halves.
Q. If the temperature of an object increases, what happens to the rate of heat radiation from that object?
  • A. Decreases
  • B. Increases
  • C. Remains constant
  • D. Becomes zero
Q. If the temperature of an object increases, what happens to the rate of heat transfer by radiation?
  • A. Decreases
  • B. Increases
  • C. Remains constant
  • D. Becomes zero
Q. If the temperature of an object is doubled, how does its thermal radiation change according to the Stefan-Boltzmann law?
  • A. It doubles
  • B. It quadruples
  • C. It remains the same
  • D. It increases eightfold
Q. If the temperature of an object is doubled, how does the rate of heat radiation change?
  • A. It doubles
  • B. It quadruples
  • C. It remains the same
  • D. It halves
Q. If the terms of a harmonic progression are 1, 1/4, and 1/9, what is the common difference of the corresponding arithmetic progression?
  • A. 1/36
  • B. 1/12
  • C. 1/9
  • D. 1/4
Q. If the terms of a harmonic progression are 3, 6, and x, what is the value of x?
  • A. 9
  • B. 12
  • C. 15
  • D. 18
Q. If the terms of a harmonic progression are 4, 2, and x, what is the value of x?
  • A. 1
  • B. 1.5
  • C. 2
  • D. 3
Q. If the torque is doubled while keeping the distance constant, what happens to the force applied?
  • A. It doubles
  • B. It halves
  • C. It remains the same
  • D. It quadruples
Q. If the torque on a rotating object is doubled while the radius remains constant, what happens to the force applied?
  • A. It doubles
  • B. It halves
  • C. It remains the same
  • D. It quadruples
Q. If the torque on an object is zero, what can be said about the forces acting on it?
  • A. The object is at rest.
  • B. The net force is zero.
  • C. The forces are balanced.
  • D. The forces are acting along the same line.
Q. If the torque on an object is zero, which of the following must be true?
  • A. The net force is zero.
  • B. The object is at rest.
  • C. The forces are balanced.
  • D. The line of action of the forces passes through the pivot.
Q. If the total amount after 2 years is $1100 from a principal of $1000 at a compound interest rate of 5%, what is the interest earned?
  • A. $100
  • B. $110
  • C. $120
  • D. $150
Q. If the total charge enclosed by a Gaussian surface is zero, what can be said about the electric field on that surface?
  • A. It is zero everywhere
  • B. It can be non-zero
  • C. It is constant
  • D. It is infinite
Q. If the total current in an AC circuit is 5A and the voltage is 120V, what is the impedance? (2023)
  • A. 24Ω
  • B. 20Ω
  • C. 30Ω
  • D. 15Ω
Q. If the total energy of a simple harmonic oscillator is 50 J and the mass is 2 kg, what is the maximum speed of the mass?
  • A. 5 m/s
  • B. 10 m/s
  • C. 15 m/s
  • D. 20 m/s
Q. If the total expenditure of the Parliament is 100 crores and 30% is spent on salaries, how much is spent on salaries?
  • A. 30 crores
  • B. 25 crores
  • C. 20 crores
  • D. 35 crores
Q. If the total expenses are $5000, what is the percentage spent on Marketing?
  • A. 10%
  • B. 15%
  • C. 20%
  • D. 25%
Q. If the total expenses are 1500, what is the profit if total sales are 2000?
  • A. 300
  • B. 400
  • C. 500
  • D. 600
Q. If the total impedance in an AC circuit is 20Ω and the current is 2A, what is the voltage across the circuit? (2023)
  • A. 10V
  • B. 20V
  • C. 30V
  • D. 40V
Q. If the total number of members in a parliament is 545 and 20% of them are women, how many women are there in the parliament? (2021)
  • A. 100
  • B. 110
  • C. 120
  • D. 130
Q. If the total number of members in the Lok Sabha is 545 and 20% of them are women, how many women are there in the Lok Sabha?
  • A. 100
  • B. 109
  • C. 110
  • D. 120
Q. If the total number of members in the Lok Sabha is 545 and the number of members from the Scheduled Castes is 84, what percentage of the Lok Sabha members are from the Scheduled Castes?
  • A. 15.4%
  • B. 16.5%
  • C. 14.5%
  • D. 18.0%
Q. If the total number of members in the Lok Sabha is 545 and the number of women members is 78, what percentage of the Lok Sabha members are women?
  • A. 14.3%
  • B. 15.5%
  • C. 16.7%
  • D. 17.8%
Q. If the total number of members in the Parliament is 790 and the Lok Sabha has 545 members, how many members are in the Rajya Sabha? (2021)
  • A. 245
  • B. 250
  • C. 300
  • D. 200
Q. If the total number of members in the Parliament is 790 and the number of Lok Sabha members is 545, how many members are there in the Rajya Sabha?
  • A. 245
  • B. 250
  • C. 300
  • D. 200
Q. If the total number of members in the Parliament is 790 and the number of Lok Sabha members is 545, how many Rajya Sabha members are there?
  • A. 245
  • B. 250
  • C. 300
  • D. 200
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